CN106476223B - A kind of concentric contraction core-pulling demolding device of injection mold ring-type back-off - Google Patents
A kind of concentric contraction core-pulling demolding device of injection mold ring-type back-off Download PDFInfo
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- CN106476223B CN106476223B CN201611086974.1A CN201611086974A CN106476223B CN 106476223 B CN106476223 B CN 106476223B CN 201611086974 A CN201611086974 A CN 201611086974A CN 106476223 B CN106476223 B CN 106476223B
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- loose core
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- core blocks
- oil cylinders
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
- B29C45/33—Moulds having transversely, e.g. radially, movable mould parts
- B29C45/332—Mountings or guides therefor; Drives therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/40—Removing or ejecting moulded articles
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
- Moulds, Cores, Or Mandrels (AREA)
Abstract
The invention discloses a kind of concentric contraction core-pulling demolding devices of injection mold ring-type back-off, including A Loose core blocks (1), B Loose core blocks (2), C Loose core blocks (3), C sliding blocks (4), A sliding blocks (5), A oil cylinders (6), C oil cylinders (7).The A Loose core blocks that the present invention uses are equipped with B slide openings and straight pumping type face；C Loose core blocks are equipped with C dovetails rail and straight pumping type face；B Loose core blocks are equipped with B dovetail grooves and hook type face；A sliding blocks are equipped with A sliding slots, and C sliding blocks are slidably disposed in A sliding slots；B Loose core blocks are located in B slide openings, and B dovetail grooves are fastened and connected with the sliding of C dovetail rails；When work, first, C hydraulic oil cylinder driving C sliding blocks movement, C Loose core blocks are directly taken out with product and are detached, meanwhile, B Loose core block concentric contractions, hook type face is detached with the cyclic annular back-off of product；Afterwards, A oil cylinders drive the movement of A sliding blocks that A Loose core blocks is caused directly to take out the technical solution detached with product, make the core_pulling demoulding of the cyclic annular back-off structure inside injection-molded item, have reached mitigation working strength, reduced cost, put forward efficient purpose.
Description
Technical field
The present invention relates to a kind of core-pulling demolding device, in particular to injection molds to be used for the Loose core block of ring-type back-off from system
A kind of concentric contraction core-pulling demolding device for injection mold ring-type back-off that core pulling comes out in cyclic annular back-off structure inside product.
Background technology
The core_pulling demoulding of cyclic annular back-off structure is internally provided with for injection-molded item, refering to Fig. 9, Figure 10, the prior art uses
Inserts method, that is, the Loose core block of the cyclic annular back-off of molding is divided into several sub-blocks, forms complete inserts after sub-block split, it will
Inserts is placed in as being used in turn in mold, and after product injection molding, inserts is removed from the molds together in company with product, then
By manually in order gradually extracting sub-block out by tool, until entire inserts is extracted out from product；Above-mentioned inserts method occupies
Artificial more, high labor cost, great work intensity, low production efficiency, therefore, there are great work intensity, of high cost, effects for the prior art
The low problem of rate and deficiency.
Invention content
Existing problems and shortcomings for the above-mentioned prior art, the present invention use by A Loose core blocks, B Loose core blocks, C Loose core blocks,
The right side of the device that C sliding blocks, A sliding blocks, A oil cylinders and C oil cylinders are constituted, A Loose core blocks is equipped with type corresponding with product face, A core pullings
B slide openings are equipped in block；C Loose core blocks are the block-like steel components of wedge shape, and the front and back sides of C Loose core blocks are respectively equipped with C dovetail rails, C
Loose core block is equipped with straight pumping type face；B Loose core blocks are equipped with the hook type face of moulded products internal annular back-off, the B of two symmetrical shapes
The corresponding front and rear sides for being slidably fitted in C Loose core blocks, the opposite sides of two B Loose core blocks are equipped with B dovetail grooves to Loose core block respectively；
C sliding blocks, A sliding blocks are block-like steel components, are equipped with above the left part of A sliding blocks and claim for the sliding slot of C sliding block left and right directions sliding
For A sliding slots, C sliding blocks are slidably disposed in A sliding slots；C Loose core blocks are fixedly connected on the right side of C sliding blocks, the left side of C sliding blocks and C
The piston rod of oil cylinder connects, and the cylinder body of C oil cylinders is fixedly connected with the left side of A sliding blocks；A Loose core blocks are fixedly connected on A sliding blocks
Right part, B Loose core blocks can front-rear direction be slidably connected in the B slide openings, C Loose core blocks are inserted between two B Loose core blocks through institute
B dovetail grooves are stated to be fastened and connected with the sliding of C dovetail rails；A sliding blocks are slidably disposed in the sliding slot of dynamic model support plate setting of mold, A sliding blocks
Left side connect with the piston rod of A oil cylinders, the cylinder body of A oil cylinders is fixedly connected with the dynamic model support plate of mold；
When work, first, C oil cylinders are moved to the left through C slider-actuated C Loose core blocks, the straight pumping type face of C Loose core blocks and product
Straight to take out separation, at the same time, under the action of the B dovetail grooves and C dovetail rails, B Loose core blocks are in the B slide openings, with C core pullings
The axis that block is moved to the left is axle center concentric contraction, the hook type face of B Loose core blocks and the internal annular back-off structure of product
Separation；Later, A oil cylinders drive through A sliding blocks and are moved to the left together with A Loose core blocks and C sliding blocks, and A Loose core blocks are directly smoked with product to be detached
Technical solution provides a kind of concentric contraction core-pulling demolding device of injection mold ring-type back-off, it is intended to make inside injection-molded item
The core_pulling demoulding of cyclic annular back-off structure reaches and mitigates working strength, reduce cost, put forward efficient purpose.
The object of the present invention is achieved like this：A kind of concentric contraction core-pulling demolding device of injection mold ring-type back-off,
Including A Loose core blocks, B Loose core blocks, C Loose core blocks, C sliding blocks, A sliding blocks, A oil cylinders, C oil cylinders, wherein：The A Loose core blocks are bulk
Steel components, the right sides of A Loose core blocks is equipped with straight pumping type face that is corresponding with product, can directly taking out demoulding, is equipped in A Loose core blocks
Left and right directions disposes the through-hole of B Loose core blocks to be known as B slide openings for being slidably matched；
The C Loose core blocks are left large and right small, the block-like steel components of wedge shape, and the right end of C Loose core blocks and downside are equipped with
The front and back sides in straight pumping type face that is corresponding with the back-off of the internal annular of product, can directly taking out demoulding, C Loose core blocks are respectively equipped with left and right
The trapezoidal protruding rail in direction, cross section is known as C dovetail rails；
The B Loose core blocks are block-like steel components, the right ends of B Loose core blocks be equipped with the back-off of moulded products internal annular,
The hook type face of demoulding can not be directly taken out, correspondence is slidably fitted in the front and back of C Loose core blocks to the B Loose core blocks of two symmetrical shapes respectively
The opposite sides of both sides, two B Loose core blocks are known as B dovetail grooves equipped with the trapezoidal straight slot in left and right directions, cross section；
The C sliding blocks and A sliding blocks are block-like steel components；It is equipped with for C sliding blocks or so above the left part of A sliding blocks
The sliding slot of direction sliding is known as A sliding slots, and C sliding blocks are slidably disposed in A sliding slots；C Loose core blocks are fixedly connected on the right side of C sliding blocks, C
The left side of sliding block is connect with the piston rod of C oil cylinders, and the cylinder body of C oil cylinders is fixedly connected with the left side of A sliding blocks；
A Loose core blocks are fixedly connected on the right part of A sliding blocks, B Loose core blocks can front-rear direction be slidably connected in the B slide openings
Interior, C Loose core blocks are fastened and connected and are inserted between two B Loose core blocks through the B dovetail grooves and the sliding of C dovetail rails；A sliding blocks are slidably disposed in
In the sliding slot of the dynamic model support plate setting of mold, the left side of A sliding blocks is connect with the piston rod of A oil cylinders, the cylinder body and mold of A oil cylinders
Dynamic model support plate be fixedly connected；
The A oil cylinders are the hydraulically extensible executive component being made of cylinder body, piston rod with C oil cylinders.
The direction face of above structure statement is divided into up, down, left, right, front, rear side, wherein front is in face of present apparatus main view
The face of figure, behind be the face opposite with the front.
Working principle and beneficial effect
When work, first, C oil cylinders are moved to the left through C slider-actuated C Loose core blocks, the straight pumping type face of C Loose core blocks and product
Straight to take out separation, at the same time, under the action of the B dovetail grooves and C dovetail rails, B Loose core blocks are in the B slide openings, with C core pullings
The axis that block is moved to the left is axle center concentric contraction, hook type face and the cyclic annular back-off structure inside product of B Loose core blocks
Separation；Later, A oil cylinders drive through A sliding blocks and are moved to the left together with A Loose core blocks and C sliding blocks, the straight pumping type face of A Loose core blocks with
Product directly takes out separation.
The present apparatus is simple in structure, reliable operation, makes injection mold for the core_pulling demoulding equipped with cyclic annular back-off structure product,
Working strength is alleviated, artificial comprehensive cost is reduced, improves production efficiency.
Above-mentioned, the present invention is used and is made of A Loose core blocks, B Loose core blocks, C Loose core blocks, C sliding blocks, A sliding blocks, A oil cylinders and C oil cylinders
Device, the right sides of A Loose core blocks is equipped with type corresponding with product face, B slide openings is equipped in A Loose core blocks；C Loose core blocks are wedge block
The front and back sides of the steel components of shape, C Loose core blocks are respectively equipped with C dovetail rails, and C Loose core blocks are equipped with straight pumping type face；B Loose core blocks are equipped with
The hook type face of moulded products internal annular back-off, correspondence is slidably fitted in C Loose core blocks to the B Loose core blocks of two symmetrical shapes respectively
Front and rear sides, the opposite sides of two B Loose core blocks are equipped with B dovetail grooves；C sliding blocks, A sliding blocks are block-like steel components, and A is slided
It is equipped with above the left part of block and is known as A sliding slots for the sliding slot of C sliding block left and right directions sliding, C sliding blocks are slidably disposed in A sliding slots；C takes out
Pellet is fixedly connected on the right side of C sliding blocks, and the left side of C sliding blocks is connect with the piston rod of C oil cylinders, and cylinder body and the A of C oil cylinders are slided
The left side of block is fixedly connected；A Loose core blocks are fixedly connected on the right part of A sliding blocks, B Loose core blocks can front-rear direction be slidably connected
In the B slide openings, C Loose core blocks are fastened and connected between being inserted in two B Loose core blocks through the B dovetail grooves and the sliding of C dovetail rails；A is slided
Block is slidably disposed in the sliding slot of dynamic model support plate setting of mold, and the left side of A sliding blocks is connect with the piston rod of A oil cylinders, A oil cylinders
Cylinder body is fixedly connected with the dynamic model support plate of mold；
When work, first, C oil cylinders are moved to the left through C slider-actuated C Loose core blocks, the straight pumping type face of C Loose core blocks and product
Straight to take out separation, at the same time, under the action of the B dovetail grooves and C dovetail rails, B Loose core blocks are in the B slide openings, with C core pullings
The axis that block is moved to the left is axle center concentric contraction, the hook type face of B Loose core blocks and the internal annular back-off structure of product
Separation；Later, A oil cylinders drive through A sliding blocks and are moved to the left together with A Loose core blocks and C sliding blocks, and A Loose core blocks are directly smoked with product to be detached
Technical solution overcomes the prior art and there is a problem of that great work intensity, of high cost, efficiency are low with insufficient, one kind provided
The concentric contraction core-pulling demolding device of injection mold ring-type back-off keeps the core pulling of the cyclic annular back-off structure inside injection-molded item de-
Mould has reached mitigation working strength, has reduced cost, puies forward efficient purpose.
Description of the drawings
Fig. 1 is a kind of main view sectional structure of the concentric contraction core-pulling demolding device of injection mold ring-type back-off of the present invention
Schematic diagram；
Fig. 2 is the decomposition diagram of Fig. 1；
Fig. 3 is the B Loose core blocks 2 and C of a kind of concentric contraction core-pulling demolding device of injection mold ring-type back-off of the present invention
The exploded isometric schematic diagram of Loose core block 3；
Fig. 4 is the B Loose core blocks 2 and C of a kind of concentric contraction core-pulling demolding device of injection mold ring-type back-off of the present invention
The axis of Loose core block 3 surveys split schematic diagram；
Fig. 5 is the B Loose core blocks 2 and C of a kind of concentric contraction core-pulling demolding device of injection mold ring-type back-off of the present invention
Schematic top plan view after 3 split of Loose core block；
Fig. 6 is the B Loose core blocks 2 and C of a kind of concentric contraction core-pulling demolding device of injection mold ring-type back-off of the present invention
Loose core block 3 is operated in C Loose core blocks 3 and twitches the principle schematic for causing 2 concentric contraction tense of B Loose core blocks to the left；
Fig. 7 is a kind of concentric contraction core-pulling demolding device of injection mold ring-type back-off of the present invention using mold, work
Make to drive C Loose core blocks 3 to be moved to the left through C sliding blocks 4 in C oil cylinders 7,2 concentric contraction of B Loose core blocks and the internal annular of product 8 are buckled to
Structure detaches the principle schematic of tense；
Fig. 8 is a kind of concentric contraction core-pulling demolding device of injection mold ring-type back-off of the present invention using mold, work
Make to drive through A sliding blocks 5 in A oil cylinders 6 and be moved to the left together with A Loose core blocks 1 and C sliding blocks 4, when A Loose core blocks 1 are detached with the straight pumping of product 8
The principle schematic of state；
Fig. 9 is a kind of product 8 being internally provided with cyclic annular back-off 9；
Figure 10 is the extraction enlarged drawing of Fig. 9.
Invention is further described in detail for embodiment in below in conjunction with the accompanying drawings, but should not be construed as to the present invention's
Any restrictions.
In figure：A Loose core blocks 1, B slide openings 11, B Loose core blocks 2, B dovetail grooves 21, C Loose core blocks 3, C dovetails rail 31, C sliding blocks 4, A
Sliding block 5, A oil cylinders 6, C oil cylinders 7, product 8, cyclic annular back-off 9.
Specific implementation mode
Refering to fig. 1~Fig. 8, a kind of concentric contraction core-pulling demolding device of injection mold ring-type of the invention back-off, including A
Loose core block 1, B Loose core blocks 2, C Loose core blocks 3, C sliding blocks 4, A sliding blocks 5, A oil cylinders 6, C oil cylinders 7, wherein：The A Loose core blocks 1 are block
The right side of the steel components of shape, A Loose core blocks 1 is equipped with straight pumping type face that is corresponding with product 8, can directly taking out demoulding, A Loose core blocks 1
It is interior to dispose the through-hole of B Loose core blocks 2 to be known as B slide openings 11 equipped with left and right directions, for being slidably matched；
The C Loose core blocks 3 are left large and right small, the block-like steel components of wedge shape, and the right end of C Loose core blocks 3 and downside are set
There are straight pumping type face that is corresponding with the back-off of the internal annular of product 8, can directly taking out demoulding, the front and back sides of C Loose core blocks 3 to be respectively equipped with
The trapezoidal protruding rail in left and right directions, cross section is known as C dovetails rail 31；
The B Loose core blocks 2 are block-like steel components, and the right end of B Loose core blocks 2 falls equipped with 8 internal annular of moulded products
Button, the hook type face that can not directly take out demoulding, correspondence is slidably fitted in C Loose core blocks 3 to the B Loose core blocks 2 of two symmetrical shapes respectively
Front and rear sides, the opposite sides of two B Loose core blocks 2 are equipped with the trapezoidal straight slot in left and right directions, cross section and are known as B dovetail grooves
21；
The C sliding blocks 4 and A sliding blocks 5 are block-like steel components；It is equipped with above the left part of A sliding blocks 5 and is used for C sliding blocks 4
The sliding slot of left and right directions sliding is known as A sliding slots, and C sliding blocks 4 are slidably disposed in A sliding slots；C Loose core blocks 3 are fixedly connected on C sliding blocks 4
The left side of right side, C sliding blocks 4 is connect with the piston rod of C oil cylinders 7, and the cylinder body of C oil cylinders 7 is fixed with the left side of A sliding blocks 5 to be connected
It connects；
A Loose core blocks 1 are fixedly connected on the right part of A sliding blocks 5, B Loose core blocks 2 can front-rear direction be slidably connected and slided in the B
In hole 11, C Loose core blocks 3 are fastened and connected and are inserted between two B Loose core blocks 2 through the B dovetail grooves 21 and the sliding of C dovetails rail 31；A is slided
Block 5 is slidably disposed in the sliding slot of dynamic model support plate setting of mold, and the left side of A sliding blocks 5 is connect with the piston rod of A oil cylinders 6, A oil
The cylinder body of cylinder 6 is fixedly connected with the dynamic model support plate of mold；
The A oil cylinders 6 are the hydraulically extensible executive component being made of cylinder body, piston rod with C oil cylinders 7.
The direction face of above structure statement is divided into up, down, left, right, front, rear side, wherein front is in face of present apparatus main view
The face of figure, behind be the face opposite with the front.
Working principle and beneficial effect
When work, first, C oil cylinders 7 drive C Loose core blocks 3 to be moved to the left through C sliding blocks 4, the straight pumping type face of C Loose core blocks 3 with
Product 8 directly takes out separation, and at the same time, under the action of the B dovetail grooves 21 and C dovetails rail 31, B Loose core blocks 2 are in the B slide openings
In 11, the axis being moved to the left using C Loose core blocks 3 is axle center concentric contraction, inside the hook type face of B Loose core blocks 2 and product 8
Cyclic annular back-off 9 structures separation；Later, A oil cylinders 6 drive through A sliding blocks 5 and are moved to the left together with A Loose core blocks 1 and C sliding blocks 4, A core pullings
It directly takes out and detaches with product 8 in the straight pumping type face of block 1.
The present apparatus is simple in structure, reliable operation, makes injection mold for the core_pulling demoulding equipped with cyclic annular back-off structure product,
Working strength is alleviated, artificial comprehensive cost is reduced, improves production efficiency.
Claims (1)
1. a kind of concentric contraction core-pulling demolding device of injection mold ring-type back-off, including A Loose core blocks (1), B Loose core blocks (2), C
Loose core block (3), C sliding blocks (4), A sliding blocks (5), A oil cylinders (6), C oil cylinders (7), it is characterised in that：The A Loose core blocks (1) are block
The right side of the steel components of shape, A Loose core blocks (1) is equipped with straight pumping type face that is corresponding with product (8), can directly taking out demoulding, A core pullings
The through-hole of B Loose core blocks (2) is disposed to be known as B slide openings (11) equipped with left and right directions, for being slidably matched in block (1)；
The C Loose core blocks (3) are left large and right small, the block-like steel components of wedge shape, and the right end of C Loose core blocks (3) and downside are set
There are straight pumping type face that is corresponding with the back-off of the internal annular of product (8), can directly taking out demoulding, the front and back sides difference of C Loose core blocks (3)
It is known as C dovetails rail (31) equipped with the trapezoidal protruding rail in left and right directions, cross section；
The B Loose core blocks (2) are block-like steel components, and the right end of B Loose core blocks (2) is equipped with moulded products (8) internal annular
Back-off, the hook type face that can not directly take out demoulding, correspondence is slidably fitted in C core pullings to the B Loose core blocks (2) of two symmetrical shapes respectively
The opposite sides of the front and rear sides of block (3), two B Loose core blocks (2) are known as equipped with the trapezoidal straight slot in left and right directions, cross section
B dovetail grooves (21)；
The C sliding blocks (4) and A sliding blocks (5) are block-like steel components；It is equipped with above the left part of A sliding blocks (5) and is slided for C
The sliding slot of block (4) left and right directions sliding is known as A sliding slots, and C sliding blocks (4) are slidably disposed in A sliding slots；C Loose core blocks (3) are fixedly connected on
The left side of the right side of C sliding blocks (4), C sliding blocks (4) is connect with the piston rod of C oil cylinders (7), cylinder body and the A sliding blocks of C oil cylinders (7)
(5) left side is fixedly connected；
A Loose core blocks (1) are fixedly connected on the right part of A sliding blocks (5), B Loose core blocks (2) can front-rear direction be slidably connected in the B
In slide opening (11), C Loose core blocks (3) are fastened and connected through the B dovetail grooves (21) and C dovetails rail (31) sliding and are inserted in two B core pullings
Between block (2)；A sliding blocks (5) are slidably disposed in the sliding slot of dynamic model support plate setting of mold, left side and the A oil cylinders of A sliding blocks (5)
(6) piston rod connection, the cylinder body of A oil cylinders (6) are fixedly connected with the dynamic model support plate of mold；
The A oil cylinders (6) are the hydraulically extensible executive component being made of cylinder body, piston rod with C oil cylinders (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611086974.1A CN106476223B (en) | 2016-11-23 | 2016-11-23 | A kind of concentric contraction core-pulling demolding device of injection mold ring-type back-off |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611086974.1A CN106476223B (en) | 2016-11-23 | 2016-11-23 | A kind of concentric contraction core-pulling demolding device of injection mold ring-type back-off |
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| Publication Number | Publication Date |
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| CN106476223A CN106476223A (en) | 2017-03-08 |
| CN106476223B true CN106476223B (en) | 2018-09-21 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108859022B (en) * | 2018-07-04 | 2024-03-15 | 公元股份有限公司 | Large-stroke inner buckle core pulling mechanism |
| CN109176992B (en) * | 2018-09-17 | 2024-05-28 | 江苏旭虹精密零组件有限公司 | Multiple core pulling mechanism for inverted hooks |
| CN114311560B (en) * | 2022-01-06 | 2023-10-20 | 宁波方正汽车模具股份有限公司 | Demoulding mechanism for engine cylinder cover plate |
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| CN101947837A (en) * | 2010-09-13 | 2011-01-19 | 凡嘉科技（无锡）有限公司 | Coring structure with inverted buckle in coring direction of slide block |
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| CN106476223A (en) | 2017-03-08 |
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